APA ציטוט

Jacobs, J. A. (1963). Earth's core and geomagnetism. Pergamon press.

Chicago Edition Citation

Jacobs, J. A. Earth's Core and Geomagnetism. London: Pergamon press, 1963.

ציטוט MLA

Jacobs, J. A. Earth's Core and Geomagnetism. Pergamon press, 1963.